Emergency Medical Services Authority (Oklahoma) reported to HHS OCR on 2024-03-22 a ransomware attack affecting 611,743 individuals. Breached PHI on a Network Server included names, addresses, dates of birth, Social Security numbers, and treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. Response actions included complimentary credit monitoring, additional safeguards, and staff retraining.
Affected (this filing): 611,743